officejs_support_request_ui: updates to stop using unsafe CSP

 - switch to programmatic creation of DOM element using domsugar
  instead of using handlebars which needs CSP
 - use gadget_html_viewer to display post contents
 - more translation support
6 jobs for feat/support-request-csp-l10n in 0 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  External
failed ERP5.CodingStyleTest-TestRunner2

00:37:27

running ERP5.CodingStyleTest-TestRunner2

5559:55:15

failed ERP5.UnitTest-TestRunner2

01:47:43

running ERP5.UnitTest-TestRunner2

5559:55:03

passed ERP5.UnitTest-Zope2-ForTestRunner2

01:36:44

running ERP5.UnitTest-Zope2-ForTestRunner2

5559:54:55